Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Piston Dimensions and Clearances

Clearance in the Bore (42 mm from top of piston) Compression Height 1.179 - 1.183 Inch (in)
Factorv Specification (-) 0.00055 - 0.00087 Inch (in)
Service Specification 0.0010 - 0.0031 Inch (in)
Piston Diameter at 70 degrees F (21 degrees C) (48 mm from top of piston) Factory Specification 3.5426 - 3.5435 Inch (in)
Service Specification 3.5404 - 3.5420 Inch (in)
Piston Pin Bore ID at 70 degrees F (21 degrees C) 0.8662 - 0.8664 in
Ring Groove Width Oil 0.1197 - 0.1205 Inch (in)
Ring Groove Width, Second Compression 0.0598 - 0.0606 Inch (in)
Ring Groove Width Top Compression 0.048 - 0.049 Inch (in)
Weight Less Pin and Rings 12.346 +/- 0.176 Ounce (US) (oz (US))